基于CML的变电站自动化系统脆弱性分析  

Vulnerability analysis of substation automation system based on CML

作　　者：袁磊[1] 张其林[1,2] 王先培[2] 赵永标[1] 

机构地区：[1]湖北文理学院数学与计算机学院,湖北襄阳441053 [2]武汉大学系统集成与故障诊断实验室,湖北武汉430072

出　　处：《计算机工程与科学》2013年第3期168-172,共5页Computer Engineering & Science

基　　金：国家自然科学基金资助项目(61272296);湖北省自然科学基金资助项目(2010CDZ051);湖北省教育厅科学技术基金资助项目(D20092505;B20122503)

摘　　要：以信息技术为基础的电力自动化系统是典型的实时系统,它为电力系统的生产与管理带来了极大的便利,但其技术隐患也影响着电力系统的安全。研究开放的网络环境下实时系统潜在的脆弱性以保证电力系统安全稳定运行有着重要的现实意义。本文首先将基于IEC61850标准的变电站自动化系统中逻辑节点之间的交互关系抽象成一个复杂网络,统计网络的相关特性,结果表明逻辑节点之间的交互关系具有小世界特性。然后基于CML连锁故障模型分析了因变电站自动化系统的脆弱性导致的故障在系统中的传播规律,为变电站自动化系统的设计提供一定的参考价值。IT-based electric power automation system is a typical real-time system. Although it has brought great convenience to the production and management of the power system, its risks also affect the safety of the power system. Researching the potential vulnerability of real-time systems on open net- work environments has important practical significance to ensure the security and stability of the power system. On the one hand, this paper abstracts the interaction among logical nodes in the substation auto- mation system based on IEC61850 into a complex network and calculates the network characteristics. The results show that the interaction among logical nodes has small world characteristics. On the other hand, this paper analyzes faults＂ propagation caused by vulnerability in the substation automation system based on CML （coupled map lattices） cascading fault model,which should provide a reference value to the design of the substation automation system.

关 键 词：耦合映像格子 变电站自动化 复杂网络 脆弱性 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]